Northern Pacific Engineering Drawing: Damage to Members, Bridge 10 - Deek Creek, Oso, Washington, Line Segment 406, Milepost 18.5. Sheet 444 - 4, undated.

Northern Pacific Engineering Drawing: Detail Eye Bar, etc., Bridge 11 - Stillaguamish River, east of Oso, Washington, Line Segment 406, Milepost 19.6. Sheet 444 - 17, undated.

Northern Pacific Engineering Drawing: Detail of Bearings, Bridge 11 - Stillaguamish River, east of Oso, Washington, Line Segment 406, Milepost 19.6. Sheet 444 - 17, undated.

Northern Pacific Engineering Drawing: Detail of Chord/Posts, Bridge 11 - Stillaguamish River, east of Oso, Washington, Line Segment 406, Milepost 19.6. Sheet 444 - 17, undated.

Northern Pacific Engineering Drawing: Detail of End Stringers, Bridge 11 - Stillaguamish River, east of Oso, Washington, Line Segment 406, Milepost 19.6. Sheet 444 - 17, undated.

Northern Pacific Engineering Drawing: Detail of Floor Beam, Bridge 11 - Stillaguamish River, east of Oso, Washington, Line Segment 406, Milepost 19.6. Sheet 444 - 17, undated.

Northern Pacific Engineering Drawing: Detail of Intermediate Stringers, Bridge 11 - Stillaguamish River, east of Oso, Washington, Line Segment 406, Milepost 19.6. Sheet 444 - 17, undated.

Northern Pacific Engineering Drawing: Detail of Steel, Bridge 22.1 - Squire Creek, east of Oso, Washington, Line Segment 406, Milepost 30.4. Sheet 444 - 26, undated.

Northern Pacific Engineering Drawing: Detail Portal Truss, Bridge 11 - Stillaguamish River, east of Oso, Washington, Line Segment 406, Milepost 19.6. Sheet 444 - 17, undated.

Northern Pacific Engineering Drawing: Detail Post/Chord/Strut, Bridge 11 - Stillaguamish River, east of Oso, Washington, Line Segment 406, Milepost 19.6. Sheet 444 - 17, undated.